CN105417508A - Preparation method of macroporous g-C3N4 - Google Patents
Preparation method of macroporous g-C3N4 Download PDFInfo
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- CN105417508A CN105417508A CN201511018335.7A CN201511018335A CN105417508A CN 105417508 A CN105417508 A CN 105417508A CN 201511018335 A CN201511018335 A CN 201511018335A CN 105417508 A CN105417508 A CN 105417508A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 238000005245 sintering Methods 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 11
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 claims description 9
- 238000005352 clarification Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000007669 thermal treatment Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000001699 photocatalysis Effects 0.000 abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 8
- 229910052681 coesite Inorganic materials 0.000 abstract 4
- 229910052906 cristobalite Inorganic materials 0.000 abstract 4
- 239000000377 silicon dioxide Substances 0.000 abstract 4
- 235000012239 silicon dioxide Nutrition 0.000 abstract 4
- 229910052682 stishovite Inorganic materials 0.000 abstract 4
- 229910052905 tridymite Inorganic materials 0.000 abstract 4
- 239000004005 microsphere Substances 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 238000001308 synthesis method Methods 0.000 abstract 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 5
- 229940043267 rhodamine b Drugs 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000013076 target substance Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- B01J35/60—
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
Abstract
The invention relates to a preparation method of macroporous g-C3N4, and aims to solve the technical problems that in the prior art, the specific surface area of g-C3N4 is small, and the photocatalytic efficiency is low. The preparation method comprises the following steps: step one, preparing porous SiO2 microspheres; step two, mixing porous SiO2 microspheres with dicyanodiamine to prepare a solution; step three, stirring, filtering, baking, and sieving; step four, sintering; and step five, removing SiO2. According to the synthesis method of macroporous g-C3N4, porous SiO2 is taken as the template and dicyanodiamine is taken as the raw materials so as to prepare macroporous g-C3N4, which has a high catalytic efficiency in the presence of visible light. Compared with similar macroporous g-C3N4, the provided g-C3N4 has the characteristic of dense and communicated channels. Compared with the conventional pore-free g-C3N4, the catalytic efficiency is improved by at least 3 times. The macroporous g-C3N4 can be used to process sewage in an environment-friendly mode and be used as the excellent catalyst of hydrogen energy preparation. The provided preparation method is used to produce g-C3N4.
Description
Technical field
The present invention relates to a kind of g-C
3n
4preparation method.
Background technology
G-C
3n
4(graphite phase carbon nitride) is as a kind of emerging without metal photocatalysts, by feat of the feature of its lower band gap (2.7eV), visible region domain response (420nm), occupy a tiny space in visible light catalytic field, can g-C be used
3n
4hydrogen and oxygen, the degraded (rhodamine B, tropeolin-D etc.) of common organic dyes, the synthesis of organic reaction, CO are prepared in the decomposition (1.23eV) carrying out water under visible light
2fix.But due to g-C
3n
4specific surface area relatively low, only have an appointment 10m
2/ g, seriously have impact on its absorption to target substance, thus photocatalysis efficiency is reduced widely.Even if be prepared into the g-C of micro-meso-hole structure
3n
4although, increase specific surface area, do not utilize micro-mesoporous structure fully, only carried out catalysis at two ends, duct.
Summary of the invention
The present invention will solve g-C
3n
4specific surface area lower, the technical problem that photocatalysis efficiency is low, and a kind of macropore g-C is provided
3n
4preparation method.
A kind of macropore g-C of the present invention
3n
4preparation method carry out according to the following steps:
One, porous SiO is prepared
2bead: TPAOH is mixed with deionized water, be stirred to solution clarification, then add TEOS, be stirred to solution clarification, then add AmberliteIRA-900, stir 24h ~ 25h, then temperature is the Water Under thermal treatment 24h of 60 DEG C in a kettle., and filtration washing obtains solid, is to dry 12h under the condition of 60 DEG C in temperature, be sinter 6h under the condition of 550 DEG C in temperature, obtain SiO
2bead; Described TPAOH and the volume ratio of deionized water are 1:(3.5 ~ 4.5); The volume ratio of described TPAOH and TEOS is 1:(2 ~ 3); The volume of described TPAOH and the mass ratio of AmberliteIRA-900 are 1mL:1g;
Two, the porous SiO prepared by step one
2bead is dissolved in solvent together with Dicyanodiamide, obtains mixing solutions; Porous SiO prepared by described step one
2the mass ratio of bead and Dicyanodiamide is 1:(2 ~ 4); Porous SiO prepared by described step one
2the quality of bead and the volume ratio of solvent are 1g:10mL;
Three, mixing solutions step 2 prepared stirs 12h ~ 24h under room temperature or temperature are the condition of 40 DEG C, filter to obtain solid, be dry 12h ~ 14h under the condition of 60 DEG C ~ 65 DEG C in temperature, by 35 object sieve, retain above sieve and sieve the bead of not passing by;
Four, sinter: the bead that step 3 is obtained under nitrogen protection and temperature rise rate are the condition of 2min/s ~ 20min/s from room temperature to 500 DEG C ~ 700 DEG C, then be sinter 1 ~ 3h under the condition of 500 DEG C ~ 700 DEG C in nitrogen protection and temperature, cool to room temperature with the furnace under nitrogen protection, obtain the bead after sintering;
Five, the bead after step 4 being sintered is soak 24h in the HF aqueous solution of 2.5% at massfraction, obtains macropore g-C
3n
4.
TPAOH is TPAOH, and TEOS is tetraethoxy, and AmberliteIRA-900 is macroporous strong basic styrene series anionite-exchange resin.
Macropore g-C of the present invention
3n
4macroporous structure be conducive to the mass transfer of target substance, especially there is the structure in continuous duct, mass transfer and exchange can be strengthened further; Macropore g-C of the present invention
3n
4abundant, the size in very thin, the duct of skeleton be suitable for, be conducive to reducing heavily the combining of light induced electron and hole, target compound mass transfer and to the absorption of light and utilization.
Macropore g-C of the present invention
3n
4synthetic method be use porous SiO
2for template, use Dicyanodiamide is raw material, synthesizes the macropore g-C with high catalytic efficiency under visible light
3n
4, relative to macropore g-C of the same type
3n
4, have that duct is intensive, the feature of UNICOM, relative to existing atresia g-C
3n
4, catalytic efficiency refer at least three times, can be used as the outstanding catalyzer of close friend's process of sewage and the preparation of hydrogen energy source.
Accompanying drawing explanation
Fig. 1 is macropore g-C prepared by test one
3n
4xRD figure;
Fig. 2 is macropore g-C prepared by test one
3n
4tEM figure;
Fig. 3 is the efficiency diagram of catalysis rhodamine B degraded under visible ray, and curve 1 is test two, and curve 2 is tests three.
Embodiment
Embodiment one: present embodiment is a kind of macropore g-C
3n
4preparation method, specifically carry out according to the following steps:
One, porous SiO is prepared
2bead: TPAOH is mixed with deionized water, be stirred to solution clarification, then add TEOS, be stirred to solution clarification, then add AmberliteIRA-900, stir 24h ~ 25h, then temperature is the Water Under thermal treatment 24h of 60 DEG C in a kettle., and filtration washing obtains solid, is to dry 12h under the condition of 60 DEG C in temperature, be sinter 6h under the condition of 550 DEG C in temperature, obtain SiO
2bead; Described TPAOH and the volume ratio of deionized water are 1:(3.5 ~ 4.5); The volume ratio of described TPAOH and TEOS is 1:(2 ~ 3); The volume of described TPAOH and the mass ratio of AmberliteIRA-900 are 1mL:1g;
Two, the porous SiO prepared by step one
2bead is dissolved in solvent together with Dicyanodiamide, obtains mixing solutions; Porous SiO prepared by described step one
2the mass ratio of bead and Dicyanodiamide is 1:(2 ~ 4); Porous SiO prepared by described step one
2the quality of bead and the volume ratio of solvent are 1g:10mL;
Three, mixing solutions step 2 prepared stirs 12h ~ 24h under room temperature or temperature are the condition of 40 DEG C, filter to obtain solid, be dry 12h ~ 14h under the condition of 60 DEG C ~ 65 DEG C in temperature, by 35 object sieve, retain above sieve and sieve the bead of not passing by;
Four, sinter: the bead that step 3 is obtained under nitrogen protection and temperature rise rate are the condition of 2min/s ~ 20min/s from room temperature to 500 DEG C ~ 700 DEG C, then be sinter 1 ~ 3h under the condition of 500 DEG C ~ 700 DEG C in nitrogen protection and temperature, cool to room temperature with the furnace under nitrogen protection, obtain the bead after sintering;
Five, the bead after step 4 being sintered is soak 24h in the HF aqueous solution of 2.5% at massfraction, obtains macropore g-C
3n
4.
Embodiment two: the difference of present embodiment and embodiment one is: the TPAOH described in step one and the volume ratio of deionized water are 1:4.Other are identical with embodiment one.
Embodiment three: the difference of present embodiment and embodiment one or two is: the volume ratio of TPAOH and the TEOS described in step one is 1:2.5.Other are identical with embodiment one or two.
Embodiment four: the difference of present embodiment and embodiment one to three is: porous SiO prepared by the step one described in step 2
2the mass ratio of bead and Dicyanodiamide is 1:3.Other are identical with embodiment one to three.
Embodiment five: the difference of present embodiment and embodiment one to four is: the solvent described in step 2 is deionized water or methyl alcohol.Other are identical with embodiment one to four.
By following verification experimental verification beneficial effect of the present invention:
Test one: this test is a kind of macropore g-C
3n
4preparation method, specifically carry out according to the following steps:
One, porous SiO is prepared
2bead: TPAOH is mixed with deionized water, be stirred to solution clarification, then add TEOS, be stirred to solution clarification, then add AmberliteIRA-900, stir 24h, then temperature is the Water Under thermal treatment 24h of 60 DEG C in a kettle., and filtration washing obtains solid, is to dry 12h under the condition of 60 DEG C in temperature, be sinter 6h under the condition of 550 DEG C in temperature, obtain SiO
2bead; Described TPAOH and the volume ratio of deionized water are 1:4; The volume ratio of described TPAOH and TEOS is 1:2.5; The volume of described TPAOH and the mass ratio of AmberliteIRA-900 are 1mL:1g;
Two, the porous SiO prepared by step one
2bead is dissolved in solvent together with Dicyanodiamide, obtains mixing solutions; Porous SiO prepared by described step one
2the mass ratio of bead and Dicyanodiamide is 1:3; Porous SiO prepared by described step one
2the quality of bead and the volume ratio of solvent are 1g:10mL;
Three, mixing solutions step 2 prepared stirs 18h under room temperature or temperature are the condition of 40 DEG C, filters to obtain solid, is to dry 12h under the condition of 60 DEG C in temperature, by 35 object sieve, retains above sieve and sieves the bead of not passing by;
Four, sinter: the bead that step 3 is obtained under nitrogen protection and temperature rise rate are the condition of 10min/s from room temperature to 570 DEG C, then under nitrogen protection and temperature are the condition of 570 DEG C, 1.5h is sintered, cool to room temperature with the furnace under nitrogen protection, obtain the bead after sintering;
Five, the bead after step 4 being sintered is soak 24h in the HF aqueous solution of 2.5% at massfraction, obtains macropore g-C
3n
4.
Solvent described in step 2 is methyl alcohol.
SiO prepared by step one
2the numerical value bet of the nitrogen adsorption of bead is 200cm
2/ g ~ 400cm
2/ g, illustrates that it has a large amount of ducts.
Fig. 1 is macropore g-C prepared by test one
3n
4xRD figure, as can be seen from the figure in 2 θ=13 ° and 27 ° there is obvious diffraction peak, illustrate that the material of synthesis is g-C
3n
4.
Fig. 2 is macropore g-C prepared by test one
3n
4tEM figure, as can be seen from the figure test one preparation macropore g-C
3n
4have obvious macropore duct, its size is about 50nm ~ 60nm.
Test two: the concentration of configuration 50mL is 10mg/L rhodamine B solution, by the macropore g-C of 50mg test one preparation
3n
4drop into wherein, degrade under the xenon lamp of 300W and spectral filter wavelength are the condition of 400nm ~ 700nm.
Test three: simultaneous test: the concentration of configuration 50mL is 10mg/L rhodamine B solution, by atresia g-C common for 50mg
3n
4drop into wherein, degrade under the xenon lamp of 300W and spectral filter wavelength are the condition of 400nm ~ 700nm.
Fig. 3 is the efficiency diagram of catalysis rhodamine B degraded under visible ray, and curve 1 is test two, and curve 2 is tests three, no matter be degradation rate or degradation efficiency as can be seen from Fig., and the macropore g-C of test one preparation
3n
4relative to common atresia g-C
3n
4there is raising clearly.
Claims (5)
1. a macropore g-C
3n
4preparation method, it is characterized in that macropore g-C
3n
4preparation method carry out according to the following steps:
One, porous SiO is prepared
2bead: TPAOH is mixed with deionized water, be stirred to solution clarification, then add TEOS, be stirred to solution clarification, then add AmberliteIRA-900, stir 24h ~ 25h, then temperature is the Water Under thermal treatment 24h of 60 DEG C in a kettle., and filtration washing obtains solid, is to dry 12h under the condition of 60 DEG C in temperature, be sinter 6h under the condition of 550 DEG C in temperature, obtain SiO
2bead; Described TPAOH and the volume ratio of deionized water are 1:(3.5 ~ 4.5); The volume ratio of described TPAOH and TEOS is 1:(2 ~ 3); The volume of described TPAOH and the mass ratio of AmberliteIRA-900 are 1mL:1g;
Two, the porous SiO prepared by step one
2bead is dissolved in solvent together with Dicyanodiamide, obtains mixing solutions; Porous SiO prepared by described step one
2the mass ratio of bead and Dicyanodiamide is 1:(2 ~ 4); Porous SiO prepared by described step one
2the quality of bead and the volume ratio of solvent are 1g:10mL;
Three, mixing solutions step 2 prepared stirs 12h ~ 24h under room temperature or temperature are the condition of 40 DEG C, filter to obtain solid, be dry 12h ~ 14h under the condition of 60 DEG C ~ 65 DEG C in temperature, by 35 object sieve, retain above sieve and sieve the bead of not passing by;
Four, sinter: the bead that step 3 is obtained under nitrogen protection and temperature rise rate are the condition of 2min/s ~ 20min/s from room temperature to 500 DEG C ~ 700 DEG C, then be sinter 1 ~ 3h under the condition of 500 DEG C ~ 700 DEG C in nitrogen protection and temperature, cool to room temperature with the furnace under nitrogen protection, obtain the bead after sintering;
Five, the bead after step 4 being sintered is soak 24h in the HF aqueous solution of 2.5% at massfraction, obtains macropore g-C
3n
4.
2. a kind of macropore g-C according to claim 1
3n
4preparation method, it is characterized in that the volume ratio of TPAOH described in step one and deionized water is 1:4.
3. a kind of macropore g-C according to claim 1
3n
4preparation method, it is characterized in that the volume ratio of TPAOH and the TEOS described in step one is 1:2.5.
4. a kind of macropore g-C according to claim 1
3n
4preparation method, it is characterized in that porous SiO prepared by step one described in step 2
2the mass ratio of bead and Dicyanodiamide is 1:3.
5. a kind of macropore g-C according to claim 1
3n
4preparation method, it is characterized in that the solvent described in step 2 is deionized water or methyl alcohol.
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| CN106542509A (en) * | 2016-10-19 | 2017-03-29 | 张家港市东大工业技术研究院 | A kind of efficient method for preparing class Graphene carbonitride |
| CN106669757A (en) * | 2016-12-22 | 2017-05-17 | 江苏三美化工有限公司 | Method for preparing catalyst of vinylidene chloride by gas phase catalytic cracking |
| CN108160038A (en) * | 2018-03-05 | 2018-06-15 | 内江师范学院 | A kind of preparation method and application of the carbon of N doping-magnesium composite nano plate |
| CN111135850A (en) * | 2020-01-17 | 2020-05-12 | 福州大学 | Application of three-dimensional ordered macroporous carbon nitride supported palladium catalyst in catalytic hydrogenation of styrene unsaturated copolymer |
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| CN106669757A (en) * | 2016-12-22 | 2017-05-17 | 江苏三美化工有限公司 | Method for preparing catalyst of vinylidene chloride by gas phase catalytic cracking |
| CN108160038A (en) * | 2018-03-05 | 2018-06-15 | 内江师范学院 | A kind of preparation method and application of the carbon of N doping-magnesium composite nano plate |
| CN108160038B (en) * | 2018-03-05 | 2020-09-15 | 内江师范学院 | Preparation method and application of nitrogen-doped carbon-magnesium composite nanosheet |
| CN111135850A (en) * | 2020-01-17 | 2020-05-12 | 福州大学 | Application of three-dimensional ordered macroporous carbon nitride supported palladium catalyst in catalytic hydrogenation of styrene unsaturated copolymer |
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